This method can inspect the harmonic component and reactive power immediately.
该方法可以实现快速的检测出谐波分量，并补偿无功功率。
This paper analyzes the harmonic component of the bridge type current limiter with resistive load.
以阻性负载为例分析了桥式限流器的谐波问题。
When there is one harmonic source in electric power system, the harmonic component could be derivable.
当电力系统中只有一个谐波源时，各点的谐波电压可以方便的求出。
A pulsating torque component can be compensated by inject a selected harmonic component to the phase current.
消除转矩脉动可以通过对定子电流加入谐波的方式完成。
SPWM modulation is the important way to improve the invert power supply voltage efficiency and reduce the harmonic component.
SPWM调制是提高逆变电源电压利用率和减少谐波分量的重要方法。
The harmonic component in city power grids has considerably increased since more and more nonlinear power loads turn up in the grids.
随着越来越多的非线形电力负荷投入使用，使城市电网中的谐波分量猛增。
Through theoretical research, it illustrates deeply the influence on the analysis result of flicker caused by the harmonic component in carrier.
通过理论分析研究，深入阐明了载波中的谐波成分对闪变分析结果的影响。
Obviously, the 12-phase rectifier device, and compared to the six-phase rectifier devices because of its small power factor harmonic component larger.
很明显，十二相整流装置与六相整流装置相比，由于其谐波分量很小功率因数较大。
The dead time control in SPWM converter increases the harmonic component in voltage output and decreases the voltage utilization and reliability of converters.
SPWM变换器中的死区设置使变换器输出电压谐波含量增加、电压利用率和可靠性降低。
The present invention has no intermediate DC link and thus simplified circuit, low cost, less harmonic component in the voltage anc current waveform and high power factor.
本发明所设计的波形变换方法及其装置，省去了中间直流环节，使线路得以大大简化，显著降低了成本，同时使电压、电流谐波得以减小，并可获得较高的功率因数。
So it can be applied to fractional-harmonics analysis more preferably and therefore improve the resolution capability of weak harmonic component and accuracy of harmonic analysis.
因而，新窗函数谐波分析方法特别适用于分数次谐波分析，且能提高弱谐波信号的分辨能力和准确度。
Experiments prove that the design has the advantage of simple structure, highly stable frequency, less harmonic component, better stability, which can fulfill the test requirement.
实验证明，该设计结构简单，频率稳定度高，谐波分量少，可靠性好，满足测试要求。
Steady state harmonic current is calculated based on the magnetic characteristic curve of welding transformer. The results show that 3rd harmonic component is the main composition.
根据弧焊变压器磁滞回线的测试结果，对弧焊变压器的稳态谐波电流进行计算，结果表明弧焊变压器空载谐波电流的主要成分为三次谐波。
To single phase SCR bridge rectification circuit of constant potential instrument, the expression of load voltage is derived and harmonic component of load voltage is analyzed in detail.
文中针对船用恒电位仪单相可控桥式整流电路，推导了负载电压表达式，分析了负载电压的谐波组成；
The relationship between the harmonic component of the coupler curves and the harmonic component of the rotation-angle function and the dimensional type of spherical four-bar mechanism is discovered.
借助傅里叶级数理论建立球面四杆机构处于空间任意位置时连杆曲线的数学方程。
The component having the lowest frequency in a complex vibration (fundamental frequency or first harmonic).
复杂振动中频率最低的成分(基频或一次谐波)。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法，但当输入信号中含有衰减直流分量时，FFT算法会产生较大的误差。
By using the power element models established on symmetrical component decoupling - compensation theory, a network model with algorithm suitable for harmonic flow calculation is developed.
利用建立在对称分量解耦-补偿理论基础上的电力元件模型，提出了适用于谐波潮流计算的网络模型和算法。
It can detect not only any current component in the distorted current, but also the sum of harmonic and reactive currents.
既能单独检测出畸变电流中的任意电流分量，又能获得谐波和无功电流之和。
The harmonic source can be classified into current harmonic source and voltage harmonic source on the basis of a transformer with a filter component on its DC side.
根据变流器直流侧滤波元件，将谐波源分成电流型和电压型谐波源。
Multiplex rectifier is an important component for power electronics equipments to implement reducing the harmonic interference to electric network and improving power factor.
多重化整流是电力电子变换设备减小对电网谐波干扰、提高设备功率因数所采用的重要方法。
The method USES the DC component and the first harmonic of a curve's chain code expressed by Fourier series to fit the curve, avoiding the inverse calculation of an array used in general methods.
该方法利用闭合曲线的傅立叶级数表示的直流分量和一次分量实现对闭合曲线的椭圆拟合，可以避免通常椭圆拟合方法中的矩阵求逆问题。
The output of Amplifier has a filter, which can inhibit the out-off-band harmonic waves and unwanted emission component.
放大器的输出接有滤波器，可有效抑制带外谐波和无用发射分量。
At the same time the paper analyses the frequency spectrum of the wave from, and indicates the influence of voltage harmonic wave component on the steady state performance.
同时对波形进行了频谱分析，指出了电压谐波成分对双馈电机稳态性能的影响情况。
Some sine waves are harmonic whose frequency does not equal to the frequency of fundamental component.
有些正弦波谐波，其频率不等于频率的基本组成部分。
Especially on effective method using inductor and capacitor combined component is giving for constraining high-phase harmonic wave of power, which were of much practical meaning.
提出了用电感电容元件来抑制电源高次谐波，起到了很好的效果，具有较强的实际意义。
These disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.
在三相系统中，以正序基波功率的积分作为计量标准，同样可以消除这两方面的不利影响。
In power net the harmonic pollutions and reactive power component generated by power electronic equipments have been the major source.
在供电电网中，由电力电子设备产生的谐波和无功电流已经成为主要的污染源。
In power net the harmonic pollutions and reactive power component generated by power electronic equipments have been the major source.
在供电电网中，由电力电子设备产生的谐波和无功电流已经成为主要的污染源。
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